"The NFLPA and everyone in our community is praying for Damar Hamlin," the players' union said in a statement. "We have been in touch with Bills and Bengals players and with the NFL. The only thing that matters at this moment is Damar's health and well-being."
Hamlin, 24, joined the Bills as a sixth-round selection in the 2021 draft after a five-year college career at Pitt.